Mahaska, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Mahaska in?

Mahaska is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Mahaska?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Washington County

EPA Zone 1

Found in Washington County in north-central Kansas, Mahaska sits on thick glacial deposits over underlying limestone and shale formations characteristic of the region. The small agricultural community features rural housing typical of northern Kansas, including older farmsteads and newer rural properties, many with basements or partial basements. With specific testing data unavailable for zip code 66955, local residents should conduct radon measurements to establish their exposure levels.

Mahaska, KS Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Mahaska, KS Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Mahaska Radon Facts

Key details about the radon risk profile for Mahaska and the 66955 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washington County, KS

Zip Code

66955

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Mahaska and the 66955 zip code are located in Washington County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Mahaska, KS

What EPA Radon Zone is Mahaska in?

Mahaska and the 66955 zip code are in Washington County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Mahaska?

Radon mitigation in Mahaska typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Mahaska?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Kansas

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Topeka	6.00 pCi/L	1
Overland Park	No submissions	0